At the time of the showing of interest, the Board shall certify the employee organization as the exclusive representative without an election if: A petition for an exclusive representative has been filed for a bargaining unit; The Board finds that a majority of the employees in the bargaining unit have signed valid authorizations designating the employee organization as their exclusive representative; and No other employee organization is currently certified or recognized as the exclusive representative of the bargaining unit. If the Board certifies an employee organization as an exclusive representative under §A of this regulation, the Executive Director shall notify all parties of this certification.